Home / 259,869.38-358,619.75-140,637.38

Finding the Fourth Proportional to 259,869.38, 358,619.75 and 140,637.38

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Solution

The fourth proportional to 259,869.38, 358,619.75 and 140,637.38 is: 194,079.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,869.38 : 358,619.75 = 140,637.38 : x
  2. Step 2: Convert to fraction form
    259,869.38/358,619.75 = 140,637.38/x
  3. Step 3: Cross multiply
    259,869.38x = 358,619.75 × 140,637.38
  4. Step 4: Simplify right side
    259,869.38x = 50,435,342,056.26
  5. Step 5: Solve for x
    x = 50,435,342,056.26/259,869.38
  6. Step 6: Final answer
    x = 194,079.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.